coordinate bug cleanup

@rfSensor/clearRssCache.m

@@ -0,0 +1,11 @@
+function obj = clearRssCache(obj)
+    arguments (Input)
+        obj (1, 1) {mustBeA(obj, "rfSensor")};
+    end
+    arguments (Output)
+        obj (1, 1) {mustBeA(obj, "rfSensor")};
+    end
+
+    obj.rssCache = double.empty(0, 1);
+
+end